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420393969110 = 25215771948343
BaseRepresentation
bin1100001111000010110…
…11101110010111010110
31111012002222102100021002
412013201123232113112
523341431324002420
6521043141423302
742241516530623
oct6074133562726
91435088370232
10420393969110
11152319488225
126958510ab32
133084882549b
14164c091d34a
15ae07036075
hex61e16ee5d6

420393969110 has 16 divisors (see below), whose sum is σ = 756744602976. Its totient is φ = 168149707968.

The previous prime is 420393969109. The next prime is 420393969133. The reversal of 420393969110 is 11969393024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758402 + ... + 1189941.

It is an arithmetic number, because the mean of its divisors is an integer number (47296537686).

Almost surely, 2420393969110 is an apocalyptic number.

420393969110 is a deficient number, since it is larger than the sum of its proper divisors (336350633866).

420393969110 is a wasteful number, since it uses less digits than its factorization.

420393969110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969927.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 420393969110 in words is "four hundred twenty billion, three hundred ninety-three million, nine hundred sixty-nine thousand, one hundred ten".

Divisors: 1 2 5 10 21577 43154 107885 215770 1948343 3896686 9741715 19483430 42039396911 84078793822 210196984555 420393969110